Stockholders' Equity and Share-Based Compensation - Schedule of Changes in Company's Ownership Interest in AutoMD (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Oct. 01, 2016 |
Jul. 02, 2016 |
Apr. 02, 2016 |
Jan. 02, 2016 |
Oct. 03, 2015 |
Jul. 04, 2015 |
Apr. 04, 2015 |
Dec. 31, 2016 |
Jan. 02, 2016 |
Jan. 03, 2015 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||
| Net income (loss) attributable to U.S. Auto Parts stockholders' | $ (1,353) | $ (102) | $ 934 | $ 1,252 | $ (454) | $ 8 | $ (775) | $ (60) | $ 731 | $ (1,281) | $ (6,879) |
| Transfers (to) from the noncontrolling interest: | |||||||||||
| Increase in U.S. Auto Parts paid-in-capital from sale of AutoMD common stock | 0 | 0 | 2,512 | ||||||||
| Changes from net income (loss) attributable to U.S. Auto Parts stockholders' and transfers to noncontrolling interest | $ 731 | $ (1,281) | $ (4,367) | ||||||||
| X | ||||||||||
- Definition This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Represents a sale by the parent of a portion of its equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The sale of the equity interest represented by this element does not result in a loss of control by the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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